Hello,
I am attempting to add some RDF nodes to an empty OrientDB 2.0-RC1 database
through the Blueprints interface. Unfortunately, I'm running into problems
with adding edges with labels that are URIs. Here's some code that
demonstrates my problem:
Vertex luca = graph.addVertex(null);
luca.setProperty("name", "Luca");
Vertex marko = graph.addVertex(null);
marko.setProperty("name", "Marko");
graph.addEdge(null, luca, marko, "knows");
graph.addEdge(null, luca, marko,
"http://www.w3.org/1999/02/22-rdf-syntax-ns#type";);
graph.commit();
Iterable<Edge> edges = luca.getEdges(Direction.BOTH);
for (Edge e : edges)
{
System.out.println("Found edge: " + e.getLabel());
}
When the edges are printed, only the "knows" edge is displayed. The URI
edge is not retrieved.
In WebStudio, if I "select * from V", the vertexes appear, but only the
"knows" edge is displayed in the in/out lists.
Surprisingly, if I "select * from E", both the URI and the "knows" edge are
listed.
Is there a special trick for adding an edge with a URI label? I assume
that the colons, periods, and slashes are tripping things up.
Any help would be greatly appreciated!
Tim
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